https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86305
--- Comment #8 from zhonghao at pku dot org.cn --- (In reply to zhonghao from comment #6) > (In reply to Jonathan Wakely from comment #5) > > The error message comes from the clang bug report, not from Clang 7.0.0 -- > > have you even read the clang report that you're copying?! > > I attached the original bug report only to help better understand the bug. > If you do not need the original bug reports, I will not report the original > bug reports any more. I will report only the code and the differences. Never the less, the differences exist in the recent versions of gcc and clang.